Upgrade to OpenCore 0.9.3 (macOS stays at Big Sur 11.7.8)

Upgrade OpenCore to 0.9.3 from 0.8.5 with macOS staying at Big Sur 11.7.8 for now -- this is a preparatory release for Ventura

OpenCore-0.8.5 for Big Sur

Big Sur upgrade release

Updated to OpenCore-0.7.6 (same macOS version)

Updated to OpenCore-0.7.6 (same macOS version = Catalina 10.15.6)

v1.0

Initial release v1.0